メタデータ名 C06426-19870401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1625000 34.7250000, 138.1687500 34.7250000, 138.1687500 34.7291667, 138.1625000 34.7291667, 138.1625000 34.7250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral